eXtc is totally free of charge. You can download and use eXtc for free, and you'll have full, unlimited access to all of its capabilities, without any time limit or expiry. You can install it on as many of your systems as you wish and use it for as many applications and as many users as you wish.

Note that eXtc requires installation of either the commercial Caché (available for Windows, Linux, Unix and Mac OS/X) or the free Open Source GT.M (available for Linux).